(19)

(11)

EP 2 404 259 A1

(12)

(43) Date of publication: 11.01.2012 Bulletin 2012/02 (21) Application number: 10707358.7 (22) Date of filing: 26.02.2010

(51) International Patent Classification (IPC):  G06F 21/24(2006.01) G06F 19/00(2011.01) (86) International application number: PCT/IB2010/050850 (87) International publication number: WO 2010/100590 (10.09.2010 Gazette 2010/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 04.03.2009 EP 09154289 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: MWANGI, Eva, W. NL-5656 AE Eindhoven (NL) PETKOVIC, Milan NL-5656 AE Eindhoven (NL) (74) Representative: Van Velzen, Maaike Mathilde  P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)